Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Autunite from
Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy


Locality type:Quarry
Classification
Species:Autunite
Formula:Ca(UO2)2(PO4)2 · 10-12H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Autunite data
Locality Data:Click here to view Grignaschi Quarry, Cosasca, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:155118
Long-form Identifier:1:3:155118:1
GUID (UUID V4):0
Nearest other occurrences of Autunite
2.8km (1.8 miles) ⓘRio Graia, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
4.9km (3.0 miles) ⓘBeura quarries, Beura-Cardezza, Verbano-Cusio-Ossola Province, Piedmont, Italy
6.9km (4.3 miles) ⓘPianasca Quarry, Villadossola, Verbano-Cusio-Ossola Province, Piedmont, Italy
7.4km (4.6 miles) ⓘI Mondei (Ca' Mondei), Montescheno, Verbano-Cusio-Ossola Province, Piedmont, Italy
8.3km (5.1 miles) ⓘPizzo Ragno (Northern slope), Alpe Campra (Campra), Antoliva Valley, Druogno, Verbano-Cusio-Ossola Province, Piedmont, Italy
8.4km (5.3 miles) ⓘPizzo Ragno (Eastern slope), Basso Valley, Santa Maria Maggiore, Verbano-Cusio-Ossola Province, Piedmont, Italy
10.1km (6.3 miles) ⓘMonte Bassetta, Santa Maria Maggiore, Verbano-Cusio-Ossola Province, Piedmont, Italy
14.7km (9.1 miles) ⓘEglio, Craveggia, Verbano-Cusio-Ossola Province, Piedmont, Italy
15.6km (9.7 miles) ⓘPiano del Lavonchio (Piano dei Lavonchi), Rio Vasca, Craveggia, Verbano-Cusio-Ossola Province, Piedmont, Italy
25.1km (15.6 miles) ⓘMonte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy
References
Daniele Ravagnani - I giacimenti uraniferi italiani - Gruppo Min. Lombardo - Museo Civico di Storia Naturale di Milano, 1974
 
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